CN218990469U - Precast beam column and column base connection structure - Google Patents
Precast beam column and column base connection structure Download PDFInfo
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- CN218990469U CN218990469U CN202223346348.5U CN202223346348U CN218990469U CN 218990469 U CN218990469 U CN 218990469U CN 202223346348 U CN202223346348 U CN 202223346348U CN 218990469 U CN218990469 U CN 218990469U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 160
- 239000010959 steel Substances 0.000 claims abstract description 160
- 238000005265 energy consumption Methods 0.000 claims abstract description 19
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The utility model provides a connecting structure of a precast beam column and a column foundation, which comprises a precast column, a precast beam and a foundation slab; the prefabricated column comprises a screw, connecting steel bars, a first vertical steel plate, column vertical steel bars, column stirrups and column bottom I-shaped steel; the precast beam comprises a first pre-buried I-steel, a steel strand, a second vertical steel plate, a beam horizontal steel bar and a beam stirrup; the prefabricated column is welded with a second I-steel, and the end part of the second I-steel is welded with a third vertical steel plate; the third vertical steel plate is bolted with the second vertical steel plate of the precast beam; the column bottom I-steel is welded on the foundation slab; and the outer side of the column bottom I-steel of the prefabricated column is also provided with an energy consumption connecting component. The connecting structure is simple to assemble, high in efficiency and capable of improving the energy consumption capacity of the connecting structure by arranging the connecting energy consumption assembly and the disc spring, and the connecting structure is connected with non-field wet operation.
Description
Technical Field
The utility model belongs to the field of assembled buildings, and particularly relates to a connecting structure of a precast beam column and a column foundation.
Background
The assembled concrete frame structure system has the characteristics of high construction efficiency, small environmental impact and the like, and is widely applied. The prefabricated building is usually completed by prefabricating part or all of the components in a factory, and connecting ribs are usually reserved when the components are prefabricated and then transported to a construction site for assembly. And after the prefabricated part is lifted, binding reinforcing steel bars at the connecting part or connecting by adopting a sleeve, and casting concrete. The connection mode of binding the reinforcing steel bars at the connection part has large field workload, and simultaneously, the concrete at the connection part is cast in situ, so that the wet workload is large; the sleeve grouting connection technology needs to finish grouting after steel bar alignment is carried out on site, the sleeve connection engineering quantity is large, the sleeve steel bar machining error is large, and the sleeve grouting compactness and construction quality cannot be guaranteed. The prefabricated parts have exposed steel bars, so that the prefabricated parts are inconvenient to transport. Under the action of earthquake, the assembled concrete frame structure is seriously damaged under the condition that no energy consumption component is arranged, and unrecoverable deformation occurs.
Disclosure of Invention
In view of the above-mentioned drawbacks or shortcomings in the prior art, the present utility model aims to provide a connection structure of a precast beam column and a column base, in which a disc spring is disposed at a position where a screw rod of the precast column is connected with a first vertical steel plate, an energy-consuming connection assembly is disposed at the outer side of column bottom I-steel, and the connection between the precast beam column and the column base adopts welding and bolting, so that the anti-seismic capability of a node is improved by dissipating energy in an earthquake.
In order to achieve the above purpose, the embodiment of the present utility model adopts the following technical scheme:
the connecting structure of the precast beam column and the column base is characterized by comprising a precast column, a precast beam and a foundation slab; the prefabricated column comprises a screw, connecting steel bars, a first vertical steel plate, column vertical steel bars, column stirrups and column bottom I-shaped steel; the precast beam comprises a first pre-buried I-steel, a steel strand, a second vertical steel plate, a beam horizontal steel bar and a beam stirrup; and the beam horizontal steel bars are welded on the inner flange of the first I-steel.
According to the technical scheme provided by the embodiment of the application, one end of the screw rod of the prefabricated column is provided with a first disc spring connected to the outer side of the first vertical steel plate, and the other end of the screw rod of the prefabricated column is connected to the outer side of the first vertical steel plate by adopting a bolt; the first disc spring is arranged in a mode of a screw rod with one side arranged at the lower part and a screw rod with one side arranged at the upper part; the connecting steel bars are welded to the first vertical steel plates; and the column vertical steel bars are welded on the inner side flanges of the column bottom I-shaped steel.
According to the technical scheme provided by the embodiment of the application, the prefabricated column is welded with a second I-steel, and the end part of the second I-steel is welded with a third vertical steel plate; the third vertical steel plate is bolted with the second vertical steel plate of the precast beam; and the column bottom I-steel is welded on the foundation slab.
According to the technical scheme provided by the embodiment of the application, the steel strands of the precast beam are positioned in the middle of the precast beam, are symmetrically arranged on two sides of the web of the first I-steel, and are anchored on the outer side of the third vertical steel plate.
According to the technical scheme provided by the embodiment of the application, the outer side of the column bottom I-steel of the prefabricated column is also provided with an energy consumption connecting component; the energy consumption connecting component comprises U-shaped steel, L-shaped steel, an energy consumption friction plate and a second disc spring; one side of the U-shaped steel is bolted to the column bottom I-shaped steel, and the other side of the U-shaped steel is bolted to the foundation slab through the L-shaped steel; an energy consumption friction plate is arranged between the L-shaped steel and the U-shaped steel; and a second disc spring is arranged at the bolt position where the U-shaped steel and the L-shaped steel are connected with the energy dissipation friction plate.
The technical scheme provided by the embodiment of the utility model has the following beneficial effects:
according to the connecting structure of the precast beam column and the column base, the two first vertical steel plates are connected in the precast column through the screw rods and the connecting steel bars, the first I-steel is arranged in the precast beam, the precast beam column is connected through the welding or the bolt connection of the second I-steel and the third vertical steel plates, and the precast column base is welded with the foundation slab through the column bottom I-steel; the vertical steel bars of the middle column of the prefabricated column are continuous at the joints, so that strong joint weak components can be effectively ensured; the first disc springs are arranged at the positions, connected with the first vertical steel plates, of the screw rods in the prefabricated columns, the energy-consumption connecting assemblies are arranged at the connecting positions of the prefabricated column bases, and the energy-consumption connecting assemblies dissipate a large amount of energy through the energy-consumption friction plates and the second disc springs when an earthquake occurs, so that damage to the structure is reduced; the steel stranded wires are arranged in the precast beam and penetrate through the third vertical steel plate, and after the precast beam rotates greatly, the precast beam can be reset.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:
FIG. 1 is a schematic view of a precast beam column and column foundation connection structure.
Reference numerals in the drawings: 1, prefabricating a column; 11, a screw; 12, connecting reinforcing steel bars; 13, a first vertical steel plate; 14, a first disc spring; 15, column vertical steel bars; 16, column stirrups; 2, prefabricating the beam; 21, a first I-steel; 22, steel strand wires; 23, a second vertical steel plate; 24, beam horizontal steel bars; 25, beam stirrups; 3, second I-steel; 4, a third vertical steel plate; 5, column bottom I-steel; 6, a foundation slab; 7, energy consumption connecting components; 71, u-shaped steel; 72, l-shaped steel; 73, energy consumption friction plate; 74, a second disc spring.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1, for a connection structure of a precast beam column and a column foundation provided in this embodiment, the connection structure includes:
comprises a precast column 1, a precast beam 2 and a foundation slab 6; the prefabricated column 1 comprises a connecting screw 11, connecting steel bars 12, a first vertical steel plate 13, column vertical steel bars 15, column hoop bars 16 and column bottom I-shaped steel 5; the column hoop ribs 16 are bound and connected to column vertical steel bars 15; the precast beam 2 comprises a first pre-buried I-steel 21, a steel strand 22, a second vertical steel plate 23, a beam horizontal steel bar 24 and a beam stirrup 25; the beam stirrup 25 is welded to the beam horizontal steel bar 24; the beam horizontal steel bars 24 are welded on the inner flange of the first I-steel 21; because the column vertical steel bars 15 in the prefabricated column 1 are continuous at the joints, strong joint weak components can be effectively ensured.
In a preferred embodiment for further lifting a precast beam column and column foundation connection structure to dissipate seismic energy, one end of a screw 11 of the precast column 1 is provided with a first disc spring 14 connected to the outer side of the first vertical steel plate 13, and the other end is connected to the outer side of the first vertical steel plate 13 by bolts; the first disc spring 14 is arranged in a mode that one side of the first disc spring is arranged on the lower screw 11, and the other side of the first disc spring is arranged on the upper screw 11; the connecting steel bars 12 are welded to the first vertical steel plates 13; the column vertical steel bars 15 are welded on the inner flange of the column bottom I-shaped steel 5;
since the first disc spring 14 is arranged at the position where the screw 11 is connected with the first vertical steel plate 13 in the prefabricated column 1, a large amount of energy is dissipated through the first disc spring 14 when an earthquake occurs, and the damage to the structure is reduced.
In a preferred embodiment of further improving the connection of the prefabricated beam column and the column base connection structure, the prefabricated column 1 is welded with a second I-steel 3, and the end part of the second I-steel 3 is welded with a third vertical steel plate 4; the third vertical steel plate 4 is bolted with the second vertical steel plate 23 of the precast beam 1; the column bottom I-shaped steel 5 is welded on the foundation slab 6;
because two first vertical steel plates 13 are connected in the precast column 1 through the screw rods 11 and the connecting reinforcing steel bars 12, the first I-steel 21 is arranged in the precast beam 2, the precast beam 2 is connected with the precast column 1 through the welding or the bolt connection of the second I-steel 3 and the third vertical steel plates 4, and the precast column bases are welded with the foundation slab 6 through the column bottom I-steel 5, the connection mode is convenient, the construction speed is high, and the on-site non-wetting operation is realized.
In a preferred embodiment for further improving the recovery capability of a precast beam column and column foundation connection structure after deformation, the steel strands 22 of the precast beam 2 are located in the middle of the precast beam, symmetrically disposed on two sides of the web of the first i-steel 21, and anchored on the outer side of the third vertical steel plate 4; since the steel stranded wires 22 are arranged in the precast beam 2 and the steel stranded wires 22 penetrate through the third vertical steel plate 4, the recovery of the deformation amount can be realized after the precast beam 2 rotates greatly.
In a preferred embodiment for further lifting a prefabricated beam column and column foundation connection structure to dissipate seismic energy, an energy dissipation connection assembly 7 is further arranged outside the column bottom I-steel 5 of the prefabricated column 1; the energy consumption connecting assembly 7 comprises U-shaped steel 71, L-shaped steel 72, an energy consumption friction plate 73 and a second disc spring 74; one side of the U-shaped steel 71 is bolted to the column bottom I-shaped steel 5, and the other side is bolted to the foundation slab 6 through the L-shaped steel 72; an energy dissipation friction plate 73 is arranged between the L-shaped steel 72 and the U-shaped steel 71; the bolts connecting the U-shaped steel 71 and the L-shaped steel 72 with the energy dissipation friction plate 73 are provided with second disc springs 74;
since the energy-consuming connecting assembly 7 is arranged at the joint of the prefabricated column 1 and the foundation slab 6, the energy-consuming connecting assembly 7 dissipates a large amount of energy through the energy-consuming friction plate 73 and the second disc spring 74 when an earthquake occurs, and damage to the structure is reduced.
The above description is only illustrative of the preferred embodiments of the present utility model and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in the present utility model is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept. Such as the above-mentioned features and the technical features disclosed in the present utility model (but not limited to) having similar functions are replaced with each other.
Claims (5)
1. The connecting structure of the precast beam column and the column base is characterized by comprising a precast column (1), a precast beam (2) and a foundation slab (6);
the prefabricated column (1) comprises a screw (11), connecting steel bars (12), a first vertical steel plate (13), column vertical steel bars (15), column hoop bars (16) and column bottom I-shaped steel (5);
the precast beam (2) comprises a first pre-buried I-steel (21), a steel strand (22), a second vertical steel plate (23), a beam horizontal steel bar (24) and a beam stirrup (25); the beam horizontal steel bar (24) is welded on the inner flange of the first I-steel (21).
2. A precast beam column and column foundation connection structure according to claim 1, wherein,
one end of a screw rod (11) of the prefabricated column (1) is provided with a first disc spring (14) which is connected to the outer side of the first vertical steel plate (13), and the other end of the screw rod is connected to the outer side of the first vertical steel plate (13) by adopting a bolt; the first disc spring (14) is arranged in a mode that one side of the first disc spring is arranged on a screw rod (11) at the lower part, and the other side of the first disc spring is arranged on the screw rod (11) at the upper part; the connecting steel bars (12) are welded to the first vertical steel plates (13); the column vertical steel bars (15) are welded on the inner side flanges of the column bottom I-shaped steel (5).
3. A precast beam column and column foundation connection structure according to claim 1, wherein,
the prefabricated column (1) is welded with a second I-steel (3), and a third vertical steel plate (4) is welded at the end part of the second I-steel (3); the third vertical steel plate (4) is bolted with a second vertical steel plate (23) of the precast beam (2); the column bottom I-shaped steel (5) is welded on the foundation slab (6).
4. A precast beam column and column foundation connection structure according to claim 3, wherein,
the steel strands (22) of the precast beam (2) are positioned in the middle of the precast beam, symmetrically arranged on two sides of a web plate of the first I-steel (21), and anchored on the outer side of the third vertical steel plate (4).
5. A precast beam column and column foundation connection structure according to claim 1, wherein,
the outer side of the column bottom I-steel (5) of the prefabricated column (1) is also provided with an energy consumption connecting component (7);
the energy consumption connecting assembly (7) comprises U-shaped steel (71), L-shaped steel (72), energy consumption friction plates (73) and a second disc spring (74); one side of the U-shaped steel (71) is bolted to the column bottom I-shaped steel (5), and the other side of the U-shaped steel is bolted to the foundation slab (6) through the L-shaped steel (72); an energy consumption friction plate (73) is arranged between the L-shaped steel (72) and the U-shaped steel (71);
and a second disc spring (74) is arranged at the bolt position where the U-shaped steel (71) and the L-shaped steel (72) are connected with the energy dissipation friction plate (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223346348.5U CN218990469U (en) | 2022-12-13 | 2022-12-13 | Precast beam column and column base connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223346348.5U CN218990469U (en) | 2022-12-13 | 2022-12-13 | Precast beam column and column base connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218990469U true CN218990469U (en) | 2023-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223346348.5U Active CN218990469U (en) | 2022-12-13 | 2022-12-13 | Precast beam column and column base connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218990469U (en) |
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- 2022-12-13 CN CN202223346348.5U patent/CN218990469U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231017 Address after: No. 255 Qingyuan Street, Yuhua District, Shijiazhuang City, Hebei Province, 050011 Patentee after: China Earth International Architectural Design Co.,Ltd. Address before: No.5340 Xiping Road, Beichen District, Tianjin 300400 Patentee before: Hebei University of Technology |
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| TR01 | Transfer of patent right |